Initial skeleton for System Indicator API

chrome/test/data/extensions/api_test/system_indicator/test.js

Index: chrome/test/data/extensions/api_test/system_indicator/test.js
diff --git a/chrome/test/data/extensions/api_test/system_indicator/test.js b/chrome/test/data/extensions/api_test/system_indicator/test.js
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+++ b/chrome/test/data/extensions/api_test/system_indicator/test.js
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+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// System indicator test for Chrome.
+// browser_tests.exe --gtest_filter=ExtensionApiTest.SystemIndicator
+
+chrome.test.runTests([
+  function showAndHideNonexistentIcon() {
+    // Hide before show, just in case
+    chrome.experimental.systemIndicator.hide();
+    chrome.experimental.systemIndicator.show();
+    chrome.experimental.systemIndicator.hide();
+    chrome.test.succeed();
+  },
+  function setUrl() {
+    // Success in showing the icon?
+    chrome.experimental.systemIndicator.setURL('128.png');
+    chrome.test.succeed();
+  },
+  function setImageData() {
+    // create a canvas, then set the icon using it.
+    var canvas = document.createElement('canvas');
+    canvas.width = 20;
+    canvas.height = 20;
+
+    var canvas_context = canvas.getContext('2d');
+    canvas_context.clearRect(0, 0, 20, 20);
+    canvas_context.fillStyle = '#00FF00';
+    canvas_context.fillRect(5, 5, 15, 15);
+    var imageData = canvas_context.getImageData(0, 0, 20, 20);
+    chrome.experimental.systemIndicator.setImageData(imageData);
+    chrome.test.succeed();
+  }
+]);